code: def _ensure_non_null_project(env):
      """Ensures that the google cloud python api methods can get a non-none
      project id. This is useful because google.cloud.storage.Client()
      requires a non-none project, and writing to a storage bucket is a fairly
      common use case. We first attempt to determine the project via
      google.auth.default(), and if this is not successful, we then resort to
      setting the GOOGLE_CLOUD_PROJECT environment variable to a placeholder value.
  
      Args:
      env: dictionary of environment variables
  
      Returns:
      possibly modified env dictionary
      """
  
      if "GOOGLE_CLOUD_PROJECT" in env:
          return env
  
      project_id = None
      try:
          _, project_id = google.auth.default()
      except:
          project_id = None
  
      if project_id is not None:
          return env
  
      new_env = copy.copy(env)
      new_env["GOOGLE_CLOUD_PROJECT"] = "placeholder"
      return new_env
  
file_path: caliban/caliban/resources/caliban_launcher.py
imports: import argparse
  import copy
  import google.auth
  import json
  import logging
  import os
  import subprocess
  import sys
  import time
label_desc: Use image node_id 8 for calling a global function with example usage: _ensure_non_null_project(env) and returns: new_env, env, env